Assignment 1: Data Cleaning and Summarising

Table of Contents

Task 1: Data Preparation

1.1: Data Retrieving

1.2: Check data types

1.3: Typos

1.4: Extra white-space

1.5: Upper/Lower case

1.6: Sanity checks

1.7: Missing values

Additional step: Drop duplicates

This step is not part of the tasks. However, I wanted the dataset clean from duplicate rows.

Task 2: Data Exploration

2.1: Univariate visualisation

2.2: Relationship between columns

2.3: Scatter matrix